UPDATE: Looks like this is Radio Mayak and if the February 2013 tests are any example, these are being done at 100W and 500W (via Rafael on DRMRX) I sure wish 11M propagation was better, because this would be really fun to monitor. No idea of the output power or antenna being used, but we do have the modes... http://dxing.ru/novosti/21-radioveschanie/1835-novyj-drm-test-v-moskve.html
Google translation:
"Test DRM-broadcast through the transmitter in Kurkino (Moscow) will be held during the day from 22 to 23 March 2013. The webcast will be going the same blocks of 6 hours.
Reliable mode of the transmitter as follows (time - UTC):
Frequency 25900 kHz
1000-1100 - 10kHz-Mode_B-16QAM-PL_O
1100-1200 - 10kHz-Mode_B-16QAM-PL_1
1200-1300 - 10kHz-Mode_B-64QAM-PL_O
1300-1400 - 10kHz-Mode_A-16QAM-PL_O
1400-1500 - 10kHz-Mode_A-16QAM-PL_1
1500-1600 - 10kHz-Mode_A-64QAM-PL_O
1600-1700 - 10kHz-Mode_B-16QAM-PL_O
1700-1800 - 10kHz-Mode_B-16QAM-PL_1
1800-1900 - 10kHz-Mode_B-64QAM-PL_O
1900-2000 - 10kHz-Mode_A-16QAM-PL_O
2000-2100 - 10kHz-Mode_A-16QAM-PL_1
2100-2200 - 10kHz-Mode_A-64QAM-PL_O
2200-2300 - 10kHz-Mode_B-16QAM-PL_O
2300-0000 - 10kHz-Mode_B-16QAM-PL_1
0000-0100 - 10kHz-Mode_B-64QAM-PL_O
0100-0200 - 10kHz-Mode_A-16QAM-PL_O
0200-0300 - 10kHz-Mode_A-16QAM-PL_1
0300-0400 - 10kHz-Mode_A-64QAM-PL_O
0400-0500 - 10kHz-Mode_B-16QAM-PL_O
0500-0600 - 10kHz-Mode_B-16QAM-PL_1
0600-0700 - 10kHz-Mode_B-64QAM-PL_O
0700-0800 - 10kHz-Mode_A-16QAM-PL_O
0800-0900 - 10kHz-Mode_A-16QAM-PL_1
0900-1000 - 10kHz-Mode_A-64QAM-PL_O
Request to all who have the ability to receive signals in DRM, promonitorit signal and put the results in the Journal of observation portal with detailed description and possibly a fragment of audio reception."
